Tunneling-machine.



E. F.TBRRY. TUNNBLING MAGHNE. APPLICATIONA FILED 00T. 23, 1905.

Patentedl Apr. 13', 1909.

6 SHEETS-BHEET 2.

l y Mfnesses:

E. F. TERRY.

TUN N EL'IN G l MACHINE. APPLICATION FILED 00T. 23, 1905.

Patented Apr. 13, 1909.

6 SHEETS-SHEET 3.

` we l if@ UQOBOGQ E. F. TERRY. TUNNELING MACHINE.

APPLIoATIoN FILED 00T. 2a, 1905.

Patented Apr. 13, 1909.`

e SHEETS-'SHEET 4.

E. EL TERRY." f TUNNBLING MACHINE. Y'APPLIQATIQNQILBD 0011.23, 1905.

Patented Apr. 13; 11909;.

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MJ l J CW E.. ,F. TERRY.. j VT JJNluLING"msnm:l AIfPLIGAION FILEU 00T.23 1905.

'Patented' Apr@ 13, 1909,

6 SHEETS-SHEET 6.

yflle/Z207' unirsi) I-STATEsl Yfrarinvfr omnes. l

EDWARD F. TERRY, OF NEW YORK, N. Y., ASSIGNOR TO THE TERRY, T ENCH &PROCTOI. TUNNELING MACHINE COMPANL'A GORPORATlON-OF NEW YORK.

` TUNNELING-MACHINE Patentedapru 13, 190e.

Application filed October 23, 1905. Serial No. 288,880.

To atl 'whom tt 'may concern: t

Be it known that l, EDWARD F.l TERRY, a

citizen ot' the United States, and a resident of New Yorklcity, boroughof Manhattan, inthe county and State of New York, have invented .anewand Improved Tunneling- Machine, of which the following is aspecivfication.

The primary object of this machine is to cut a tunnel through the rockwithout the There are nine gangs of drills which I will *refer` to asthecentral gang A., lside gangs B', B2, B3, B4 and the cornerfgangs C',(l2, C, C4. The central and side gangs are of such'size and locationthat in their movementshereinafter described they cover substantiallythe whole lield of the vend of the tunnel, the pathway of the side gangsadjoining the pathway of the central gang.

The gangs of drills above referred to are supported and operated so thatthey receive the following movements: (l) the reciprocating drillmovements; (2) a bodily forward feed movement; (3) a sidewise movementtransverse to the tunnel line and-preferably in a circle, with the axisof the tunnel'- as a center; (4). when required,l a sidewise canting,movement toward either side of the tunnel; (5) when requirerha verticalcanting movement toward the top or'th'e bot-tom of the tunnel; whenrequired for changing of drill-heads or other purposes, a bodily backwarmovement.

'prefer to build the structure for supporting the drill-Gangs andimpartingl to them the motions a ove referred to. v

D is a carriage supported by the two pairs of wheels E', E2, F', F2.This carriage carries .its own engine shown (Fig. l) as a fourcylinderengine with the cylinders mounted in pairs G and. G2;power for theengine is supplied from any suitable source through pipe X and branchesand s (lfig. 1I). The pair of cylinders G', G2, are adapted respectivelyfor driving its wheels and E2, to impart to the carnage thefor- "'wardfeeding movement or the reverse,`and for simultaneously imparting thesidewise rotating movement to the drill-gangs. The carriage D alsocarries the means or a portion ot' the means (as, for. example, the airstorage tank H and its appurtenances) utilized for 'supplying the airfor the pneumatic' operation of the drills.

I is the main tool-head lixed to" the orward end of the rotating hollowshaft J having its bearings in the frame D. This main tool-head Icarriesl the pneumatic-cylinder K from which the central gang-drills A;are operated; also, the cylinders L', L2,

L and L* from which the side-drill-gangs are respectively operated;also, the cylinders `M, M2, M3 and M4 by which the corner.V

drill-gangs are respectively operated.

Having now describedthe general features of the machine as I prefer it,I will proceed to describe lthe same more in detail. y

The carriage D is composed of a horizontal frame consisting of thetransverse girders d', cl2, (Z3 between which is built a platform' d*constituting the floor of the engine room for the engines G', (if.Resting upon said girders el, (Z2 and (Zfj is the arch F confornfingapproximately to the roof otl the tunnel ard4 forming the ceiling forthe engine room of the engines-G', 11". This arch will taper veryslightly from front to rear so to provide for the canti'ng of thecarriage.

el, ZT are diverging lugs by which the `girder el is supported upon thewheels E E2.

d?, d are a corresponding pail-'lof lugs by which the girders d'2. d aresupported upon the wheels F', F2. Box girders 11', nl and l :y girders c2, Z13 connect the lugs fore and aft I will now descrlbe the forminwhich I and carry journals for the shafts c', e, j f2 upon which thewheels are fixed. The rear hearing j is mounted upon the top of the les'uprights H", l-I1 and the Ihorizontals H8. opening N is left between thelugs on s1te sidesand beneath the girders d',

carnage. The engine cylinders G may beconnected' so asto drive thewheelsF-, F2 (either or. both) 'as follows: g is a chain through'whichlA a" sprocket on the engine [shaft drives a sprocket g2 i'xed to thesleeve g? mounted on t e rotatable shaft g*.` One endfofthe atingwithavclutch gisplined to the s at'f g1, andthe other end of the sleevegafca'rries a beveled' gear g11 which I'meshes with'a'fb'eveled-gear g7fixed tothe 'shaft 911- extending, across thecarria'ge andv carrying atits oppo` site end a -beveled gear. g meshing withjja.,

circular rim vhof the head I. is fixed.: The internal. gear g, alreadyreferred to, isv

beveled gear g1 fast to the 'send of a sleeve g.11 mounted on therotatable shaft 912 and' carrying at its opposite end a clutch inemberadapted toengage the clutch '913 splined to theshaft 912. It willnow beseen that'by shifting the clutches g5 and g, the enginel cylinders G maybe made'v to drive either or both the shafts g4' and 912, andthat* byreversing the engine cylinders G', either or both of said shafts may bedriven in either direction, and 'for communicating correspondingmovements 'and control to the wheels F', F2 it only remains to connectthe shaft g4 with the wheel shaft f b the worm i with the wheel shaft f2by the worm g14 and gear g15 and to connect t e-shaft g12 g1 and gearg11.

When the wheels F F2 are both driven abreast, the axis of the shaft J.will be maintained in alinement with the axis of the tunnel andthe borewill be continued straightV ahead. .,When, however, either one of thewheels is driven slightly ahead of the other, the shaft J will be cantedtoward thel side of the backward wheel and the bore will be continued ina curve toward that side.

. In order to cant thev shaft J up or down -so as to continue the boreeither in a downward or upward curvature, the wheels E', E2 areprovlcled with the means of. adjustment shown lin detail in Fig. 5. Thewheel has its bearings a frame e4 which slides in a guideway e5 and isprovided with a set screw e for adjusting its position in said guide;way. By supporting the rear end of the frame temporarily on a jack at'vthe inclination of the shaft J desired, the set screws 6 of the wheels EE2 respectively, can be set so as to adjust the wheels for the desireddegree of'inclination. 1 It will nowbe obvious that by the adjustment ofthe set 'screws e and by controlling the speed with which the wheels F,F2 are driven, a resultant cant of the carriage D may be obtained toincline the shaft J at `any desired angle to the axis of'the tunnel andthus continue the bore atta curvature in v through which the yworkmencan pass the .to the .front p ate of the drill head I, las shown -in thecase of box 13 in Fig. 2; these boxes @time any' desireddirection,either upward, downin anyintermediate Ilcws: The chain 918 connects thesprcket on the enine shaft with asprocket g1 fasttfo the rotata le shaftg on theopposite end of which isl fixed the pinion '-g21 driving thej;

'inside gear'g22 fixedto themain drillhead I. y The main-drill-h'eadIlmay be constructed fas followszzz' is the hub containing the centralcylinden To the front'a'nd rearl of this hub.. are bolted the plates @"jand 2l and lfrom between these: plates radiate the four larms 1, z'5,jEach arm is;` built of angle irons and plates and the hub and'armstogether constitute a spider upon which the fixed to the front of thisrim and cylinders L\, L1,l La, L4 are fixed inside this rim at theextremityofeach arm. Proj ecting'hori f-zontally from the rim 7 are thefour arms is, ii, 111, .z'11, the extremities lof which are, re-

spectively, braced from the plate z" by the boxes 711,2, 13, 14 and 15so that eacharm and a bracket carrying the cylinder for acorner dmu'gangBoxes 12, 13, 14, and '7115 are preferably formed with Hat sides, aperpend1cular front, and an inclined vtop slanting from `a pointadjacent'the front of each box oint atwhich it 'is secured to the inaddition to serving as braces for arms 8, z 0, 21, and @11, affordprotection for'the cor# ner drill gang cylinders M, M2, M3 and M1lmounted adjacent the .lower front edge-of the'boxes respectively.

10 are openings fore and aft through the main head I for the passage ofworkmen.

The compressed air for operating the drills is supplied from a sourceoutside the tunnel, enters this apparatus through the pipe zf, thestoraofe .tank H, the pipe and through the stuffing box h, into .therotating shaft J through which it passes, from which 4it proceedsthroughthe openings j into the passage j* in the steel castingj5 andthence into` the passage j of the hub i 'its brace, in conjunction, formsubstantially whence it is distributed to the various cyl- 'I lnders andcontrolledby suitable valves to automatically voperate the therein in askilled in the art of pneumatic drills.

a isthe head by which the'central gang of drills A is carried. This heador carrier is composed substantially o f two pairs of girders a, a2, a,a1, forming substantially a drill pistons manner familar to those crosswith each other. As shown 3) the gir-ders a3, a* are continuous from endto end, while the girders a, ai are each in two sections cxtendlng fromopposlte 'sides of a3, a* adjacent the center thereof. As `de-l sired,girders a', a2 may inturn be made continuous, .or both` sets of girdersmay` be made continuous land adapted to cross ad` jacent the center.yThese girders are heldin position by being secured at the vrear by webplatesto a` steel casting a containing .the .rearwardly extending guidesa? and forwardly extending guides w* within the head itself. The` heador carrier a is supported upon the four guide-rods a that yextend Ifrom`the back to the front of the head I and thence forward -through theguides' a7, agof the head a.

The piston-rod 7u of the cylinder K is connected with the center of thecasting a. Thus, the operation of the cylinder K is to reciprocate thedrill-head or carrier a so asI to impart to the drill-gang A thedrilling movement upon the guide-rods a. The individual dri 1s comprisedby the drill-gang A are held within the girders, as shown inconstruction and a description oi' one will.

answer for al'l. ,They correspond substantially with the central head orcarrier excepting that in the side heads the girders by which the drillsare held are' arranged parallel instead of crosswise ot' each other.

kReferring to Fig. l, b is the ,q'irder into A which is slid the seriesof drill-holdingplates 7119 and which is held by the web du from theface of the casting o containing the guides o? .and o on the guide-rodb. Rods?)12 connect the webs b transversely. The piston-rod Z from thecylinder is connected with the center of the castingb.

The. heads, or carriers, for the corner gangs of drills are all of thesame construction and, therefore, a description ot' one will answer forall.

Having reference to Figs. 9 and l0, the piston-rod c carries at itsfront end a steel casting c containing a screwthreaded prof jec'tion c2upon which is screwed the `drillholding-p'late c3 held by the key c4.ll`he drills are introduced into the holesthrough the plate detached. Itis then screwed i onto the casting c and keyed by c4.

The lcorner rill-cylinders have an inclependent swinging movementwhereby the direction of the corner drills maybe adjusted with referenceto the radial plane from the' axis of the. tunnel which may be describedas follows. In this regard, all 'of with each other, and a thecylindersl'i, i'lg, i 3, M4 correspond description of one win do for an.The `Cylinder is provided lwith side trunnions m which have theirbearings in the side members of the supportingarm as is, enablingthecylinder to be swung in the direction indicated by the arrows in Fig. 2,from position in radial plane to the position inclined thereto, asshownvin Fim 2 or even farther-if desired;

In order to lock the :cylinder-,at any de- I .sired inclination, themechanism shownin Fig. 7 is employed. Surrounding one of the trunnionsis a serrated surface m engaging with a corresponding serrated piece m2in which the trunnion may rotate but which is fixed to the arm memberis. By. loosening the nut m3, theparts m', wai-may be moved to anyadjustment required, and then by tightening the nut ma the serrations.will hold the parts at said adjustment.

o', o2, (Fig. d) are water pipes extending tothe frontof the machine,for supplying water with which to spray the face ot' the rock and, ifnecessary, to wash the cuttings back toward the rear of the machine onthe bottom of the tunnel.

To remove the rock cuttings from the .front to the rear of the machine,provide the 4conveying apparatus P.' lThis consists of a 'seriesofscrapingblades p pivotally secured at th'eupper rend to a bar p. whichis suspended Aby four hangers pt pivoted to the bottom of the platformd". lThese arms are swung by the eccentric rods' p3 and eccentrics p*from the shaft g8. lVhen the bar p swings backward, the blades p are invertical position so as to scrape the material backward along the bottomot' the tunnel and up onto the incline p5 from which they are dischargedupon'the delivery belt 79". When the bar p swingsforward, the followingmechanism causes the blades/p to oscillate upward, as shown in dottedlines in Fig. 2. A i

p7 is a' rocker forming a pin and slot -connection with thisrod andpivoted at p" to l the bar p7.

p1 is a dog pivoted to the rocker fr at g5 and held normally in linewith the rocker by the spring pn with itsI rear end resting against thepivot 'p8 of the rocker.'

p13 is ay projection fixed 'to the carriagefraine. As the dog passesthis projection in going forward, it movesthe rocker into the dottedposition-so as to oscillate'the blades 7) upward. As, however'. the dogpasses the projection p1 in going backward, it moves upon its own pivot,ou and allows the rocker p3 to remain in full line position so that theblades p remain'vertical and act as Scrapers. i

The modification 'shown in Fi 12, resenablesin general, theVconstructionv already described, with the'excepton that the forward feedis produced by hydraulic ram and the compressed air is supplied from amotor and-pump mounted u pon the carriage and rill cylinders returns tothe com ressed. airpumps. Within the' hollow shaft-J is introduced ahollow pistonrod Q and piston g." Water under pressure Vpasses from thepipe g through this pistonrod and piston into the space ga. A sto isprovided for the rear of the piston-rod by the inclined arms g4, g5pressed against- -the top and bottom of thev tunnel; The hy-l draulicpressure-"inthe space 3tendsto feed-the whole.machine forwa'r. as fastiasvthe action Q fthe drills permits. 1

, R is an electric motormounted upon the carriage D anddriving anairlpump Stfrom which 4compressed air is forced through the passage j,to sup ly the various drill cylinders. There.' will e lapump S for everytwo. drill cylinders. The air compressed by 'the piston s of the pumplwill be sufficient to supply two of the drill cylindersV and as itcompresses the'air behind the pistons of the drill cylinders, theaction'of the pump-pis# ton s2 will be to exhaust the air from in frontof the two drill-pistons. Since thepumps S are mounted upon thenonrotating carriage D while the passages j? into which the pumpsdischarge are in the rotating lpart A j, it is necessary to provide'theconnection T in which the plates t, t2 are 'nonrotatable and the ring t3rotates with the shaft. 'The ring t? is provided with two annulargroovest4, t5 that are constantly in connection with the' pump passages156,157. Both the grooves t4 and t5 are' in communication with the pas-Having thus described my invention, I claim as new and desire to secureby Letters Patent: v

1. In combination a carriage, a rotating cutter head carriedy thereby, aplurality of carriers on said head, gangs of detachable rockcuttingpoints' carried by the carriers, .mean's'whereby said carriersare mounted 'upon saldhead with freedom of rec1procation to and from thesame, means whereby said reciprocation is produced, and means forsimultaneously advancing the carriage.

' 2.' In a tunneling machine, the combination ofv a rotating head, aplurality of carriers mounted -on said head with freedom ofreciprocation to and from the same, a gang of detachable rock cuttingpoints for each of said carriers,V and means for canting the headlaterally. y

3. In a tunneling machine, the combination of a .plurality of gangs ofdetachable vrock cutting points, a carrier for each of said gangs, ahead, means Wherebysaid carriers are mounted'upon the head with freedomof reciprocation to and'from the same, a; carriage upon which said headis mounted, means or rotating said head, and means for simultaneouslypropellingthe carriage. 4. In a tunneling machine the combination of'atraveling carriage, a rotating head mounted thereon, a4 plurality of'gangs of detachable rock cutting points', a carrierfor each 'of saidgangs, means' whereby saidcarriers-are mounted upon the'head withfreeidom of reciprocation'to and from* the same,

A. means whereby said reciprocation is `pro.

duced and means whereby j said points are simultaneously 'fedjforward-..5. In'a tunnelmg mach'ne the combina-- ftion -ofa plurality of gangsof detachable rockcutting points, a carrier for each of s aid gangs,ahead, means whereby said carrlers are mounted vupon said head withfreedom of reciprocation to and from the same,

means whereby-said reciprocation is produed, means whereby Said head maybev cant'edto change the -direction of the points,

a carriage supporting the head, and mechan` ism for propelling the-carriage and means for' simultaneously imparting a rotary movement tothe head. 6. In combination, a carriage, a head, carriers mounted uponsaid head,m eans for imparting a reciprocatory movement to the carriers,a detachable gang of cutting"'de v vices for each of said carriers, anengine for propelling the carriage, meansfor'simul-.- taneouslyimparting movement to the head,v and means whereby said head maybecanted to change the direction ofaction' ofthel cutting devices`during-the operation thereof.

7. In'combination, a plurality of detachable gangs of cutting polnts, acarrier for each of said gangs, a head upon which thecarriers aremounted with freedomofrecip# rocation to andfrom the Same, a carriage,vmeans for propelling the carriage, and means for .simultaneouslyimparting movement fto the head. p u

8. In combination, a carriage provided with a plurality of wheels,*arotating head,

carrier for said devicesfmounted upon the head w1th freedom ofreciprocatlon to and from'the-same, an engine, drlvmg connectionsbetween the engine and the Wheels for `a plurality of detachable cuttingdevices, a

propelling the carriage, meansv for disconf` ism of one of the Wheelsand means for im-- parting a rotary Inovement .to the head. l

' 9. In combination, a carriage, a head, a i

plurality of cuttingdevices, a carrier supported on the head withfreedomofrecipr nec-ting the engine from the driving mechanv able rock.cutting points, holders for. said points having freedom ofreciprocation ,to and from the carriage, means whereby vsaidreciprocation isroduced, means forsimultaneously prope ling thecarriage, a' plurality' oi detachably mountedA corner drills, and meansforadjusting said drills with re,- lation to al radial plane from theaxis of a' tunnel' being cut. l' A 11. A tunneling. machine, comprisinga carriage, a head carried thereby 'and provided with -alcentral gang ofdetachablev cutter members, side gangs of detachable -oujsly propellingthe carriage with the rota- I tion of the head,.gangs of drillsdetachably secured to the head, means for imparting a reciprocatingmovement to said drills, means whereby said engine may be adapted tooperate to cant the head to change the direction of action of the drillsand a conveying mechanism for removing t-he material cut by the drills.

13. ln a tunneling machine, a carriage, a

revolving head carried thereby, a detachfable gang of cutting devicesarranged cen-v trally of the head, a bracket carried by the head, and adetachable corner drill gang supported ons'aid bracket.

-14. A tunneling machine, comprising a head carrying reciprocating drillmembers, means Jfor rotating the head and means for simultaneouslypropelling the machine, Said propelling means being adapted to beoperated to change the direction of advance of said machine during thepropulsion' thereof.

15. I'n a tunneling machine the combination of. a carriage, a headcarried thereby, drill carriers mounted on said head, means foroperating said carriers, an engine, a pair of 'wheels oppositelypositioned one at each side of theca-rriage, connections between theengine and the wheels for propelling thelcarriage and meansfordisconnecting the engir'e from one of the wheels whereby thedirection or advance of the carriage may be changed.

n In vtestimony whereof I havev signed my name to this specification inthe presence of two subscribing Witnesses.

i EDWARD F. TERRY. lVitnesses R. B. CAVANAGH, lV. A. PAULING.

